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Clean 32x32 idct C code

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Change-Id: I73b8104a9e7a70ffe827c1b7ff43618f24f5d7bd
This commit is contained in:
Linfeng Zhang 2017-05-09 11:05:51 -07:00
parent ecd1eb2162
commit f532504864
1 changed files with 6 additions and 18 deletions
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24
vpx_dsp/inv_txfm.c
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@ -1182,16 +1182,10 @@ void vpx_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest,
// Rows // Rows
for (i = 0; i < 32; ++i) { for (i = 0; i < 32; ++i) {
int16_t zero_coeff[16]; int16_t zero_coeff = 0;
for (j = 0; j < 16; ++j) zero_coeff[j] = input[2 * j] | input[2 * j + 1]; for (j = 0; j < 32; ++j) zero_coeff |= input[j];
for (j = 0; j < 8; ++j)
zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
for (j = 0; j < 4; ++j)
zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
for (j = 0; j < 2; ++j)
zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
if (zero_coeff[0] | zero_coeff[1]) if (zero_coeff)
idct32_c(input, outptr); idct32_c(input, outptr);
else else
memset(outptr, 0, sizeof(tran_low_t) * 32); memset(outptr, 0, sizeof(tran_low_t) * 32);
@ -2529,16 +2523,10 @@ void vpx_highbd_idct32x32_1024_add_c(const tran_low_t *input, uint16_t *dest,
// Rows // Rows
for (i = 0; i < 32; ++i) { for (i = 0; i < 32; ++i) {
tran_low_t zero_coeff[16]; tran_low_t zero_coeff = 0;
for (j = 0; j < 16; ++j) zero_coeff[j] = input[2 * j] | input[2 * j + 1]; for (j = 0; j < 32; ++j) zero_coeff |= input[j];
for (j = 0; j < 8; ++j)
zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
for (j = 0; j < 4; ++j)
zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
for (j = 0; j < 2; ++j)
zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
if (zero_coeff[0] | zero_coeff[1]) if (zero_coeff)
highbd_idct32_c(input, outptr, bd); highbd_idct32_c(input, outptr, bd);
else else
memset(outptr, 0, sizeof(tran_low_t) * 32); memset(outptr, 0, sizeof(tran_low_t) * 32);